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How do I use the includes method in lodash to check if an object is in the collection?
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The includes (formerly called contains and include) method compares objects by reference (or more precisely, with ===). Because the two object literals of {"b": 2} in your example represent different instances, they are not equal. Notice:
({"b": 2} === {"b": 2})
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Is There a Better Way of Checking Nil or Length == 0 of a String in Ruby?
...riation using strip can be quite inefficient.
– Marc-André Lafortune
May 2 '13 at 13:26
10
anoth...
Is an array an object in java
... Until now I always assumed an object was synonymous with class instance and that arrays were a special language feature or something.
– Ruben9922
Aug 9 '17 at 12:40
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optional local variables in rails partial templates: how do I get out of the (defined? foo) mess?
I've been a bad kid and used the following syntax in my partial templates to set default values for local variables if a value wasn't explicitly defined in the :locals hash when rendering the partial --
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GUI-based or Web-based JSON editor that works like property explorer [closed]
...ally JSON
http://json.bubblemix.net/ Visualise JSON structute, edit inline and export back to prettified JSON.
http://jsoneditoronline.org/ Example added by StackOverflow thread participant. Source: https://github.com/josdejong/jsoneditor
http://jsonmate.com/
http://jsonviewer.stack.hu/
mb21.github....
How do I override __getattr__ in Python without breaking the default behavior?
...oo has no attribute called bar. If the attribute is one you don't want to handle, raise AttributeError:
class Foo(object):
def __getattr__(self, name):
if some_predicate(name):
# ...
else:
# Default behaviour
raise AttributeError
However, un...
How to format a floating number to fixed width in Python
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So I understand that the 4f represents limiting the decimals to 4 (with trailing zeros), but what does the 10 mean? Does that mean this formatting won't work with integers greater than 9999999999 (ten 9's)? Just curious.
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How do I create directory if it doesn't exist to create a file?
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Elegant solution as it handles situations that require creation of nested folders.
– Denny Jacob
May 8 '17 at 20:57
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How do I install cygwin components from the command line?
...ebian or yum on redhat that allows me to install components from the command line?
9 Answers
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Use of Initializers vs Constructors in Java
So I've been brushing up on my Java skills as of late and have found a few bits of functionality that I didn't know about previously. Static and Instance Initializers are two such techniques.
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